<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/html">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="https://unpkg.com/vue"></script>
    <script>
        window.onload=function() {
            var app4 = new Vue({
                el: '#app-4',
                methods: {
                    reverseMessage: function () {
                        this.message = this.message.split('').reverse().join('')
                    },
                    addpeople: function () {
                        var x={name:this.username,age:this.age,time:new Date()};
                        this.peoples.push(x);
                    },
                    removeall:function (){this.peoples=[];},
                    remove:function (index){
                        this.peoples.splice(index,1);
                    }
                },
                data: {
                    username:'',
                    age:null,
                    message:'Hello Vue.js!',
                    peoples: [
                        { name: '清水',age:'18',time:new Date() },
                        { name: '白凡',age:'20',time:new Date()},


                    ]
                },
                filters:{
                    hhmmss:function(val){
                        return(val.getHours()+":"+val.getMinutes()+":" +val.getSeconds())
                    }
                }
            })
        }
    </script>
</head>
<body>

<div id="app-4">
    <p>{{ message }}</p>
    <input v-model="username">
    <input v-model="age">
    <button v-on:click="addpeople">添加</button>
    <button v-on:click="removeall">全部删除</button>
    <table border="1">
        <tr><th>序号</th><th>名字</th><th>年龄</th><th>时间</th><th>操作</th></tr>
        <tr v-for="(people,index) in peoples">
            <td>{{index+1}}</td><td>{{people.name}}</td><td>{{people.age}}</td>
            <td>{{people.time|hhmmss}}</td>
            <td><button v-on:click="remove(index)">删除</button></td>
        </tr>
    </table>
</div>
</body>
</html>